CN219328975U - Projection equipment - Google Patents
Projection equipment Download PDFInfo
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- CN219328975U CN219328975U CN202223599172.4U CN202223599172U CN219328975U CN 219328975 U CN219328975 U CN 219328975U CN 202223599172 U CN202223599172 U CN 202223599172U CN 219328975 U CN219328975 U CN 219328975U
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- heat dissipation
- side wall
- holes
- dissipation space
- baffle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses projection equipment, which comprises a shell, wherein the shell comprises a first side wall, a second side wall, a third side wall and a fourth side wall which are arranged in a surrounding manner to form a containing cavity, the containing cavity comprises a first heat dissipation space and a second heat dissipation space which are arranged along a third direction, an air outlet is formed in the first side wall, and at least part of the air outlet is opposite to the first heat dissipation space; the third side wall and the fourth side wall are provided with air inlets, each air inlet comprises a first hole group and a second hole group, the first hole groups and the second hole groups are arranged along the first direction, the first hole groups are located on one side, close to the first heat dissipation space, of the second hole groups, the total open pore area of the second hole groups is larger than that of the first hole groups, and at least part of the second hole groups are opposite to the second heat dissipation space. According to the technical scheme, the difference of the air inlet quantity of the first heat dissipation space and the air inlet quantity of the second heat dissipation space is reduced, so that the heat dissipation uniformity of the projection equipment is improved.
Description
Technical Field
The present disclosure relates to projection devices, and particularly to a projection device.
Background
Along with the higher and higher compactness of the internal structure of the miniature projector, the space of the internal heat dissipation system of the miniature projector is smaller and smaller, and the miniature projector is generally only provided with a heat dissipation fan, so that under the condition that the internal structure of the whole projector is compacter, it is difficult to ensure that each device needing heat dissipation can be enabled to dissipate heat through air flow, therefore, part of internal devices can only dissipate heat through natural cooling, the heat dissipation capacity of the area, close to the heat dissipation fan, of the interior is larger than that of the area, far away from the heat dissipation fan, and the problem of uneven heat dissipation is solved.
Disclosure of Invention
The utility model mainly aims to provide a heat dissipation structure, which aims to solve the problem that the heat dissipation is uneven in the interior of the existing miniature projector.
To achieve the above object, the present utility model provides a projection apparatus comprising:
the shell comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall and the second side wall are oppositely arranged along a first direction, the third side wall and the fourth side wall are oppositely arranged along a second direction, a containing cavity is formed by surrounding the first side wall, the second side wall, the third side wall and the fourth side wall, the containing cavity comprises a first heat dissipation space and a second heat dissipation space which are arranged along the third direction, an air outlet is formed in the first side wall, and at least part of the air outlet is opposite to the first heat dissipation space; the air inlet comprises a first hole group and a second hole group, the first hole group and the second hole group are arranged along the first direction, the first hole group is positioned at one side, close to the first heat dissipation space, of the second hole group, the total open area of the second hole group is larger than that of the first hole group, and at least part of the second hole group is opposite to the second heat dissipation space.
Preferably, the through holes of the first hole group and the through holes of the second hole group have the same hole area, and the number of the through holes of the first hole group is smaller than that of the through holes of the second hole group.
Preferably, the air inlet comprises a plurality of rows of through holes, and the rows of through holes are divided into the first hole group and the second hole group; the through holes are sequentially arranged on the shell along the third direction; the number of the through holes of each row is sequentially increased or decreased along a third direction; the hole areas of the rows of through holes are increased or decreased along a third direction.
Preferably, the through holes of adjacent rows are offset from each other.
Preferably, a mounting area is arranged between the first heat dissipation space and the second heat dissipation space; and a cooling fan is arranged in the first cooling space.
Preferably, the mounting device further comprises a baffle structure provided in a gap between the mounting region and the housing, the baffle structure being located in the second direction.
Preferably, the baffle structure comprises a first baffle and a second baffle, the first baffle is arranged in a gap between the installation area and the air inlet, and the first baffle is arranged between the first hole group and the second hole group; the second baffle is arranged in a gap at one side of the installation area, which is far away from the air inlet.
Preferably, the first baffle and the second baffle are both arranged to extend in the second direction.
Preferably, the projection device further comprises a first sound box and a second sound box which are arranged in the installation area, the first sound box and the second sound box are arranged along a second direction, two ends of the first baffle are respectively propped against one side, away from the second sound box, of the third side wall and the first sound box, and two ends of the second baffle are respectively propped against one side, away from the first sound box, of the fourth side wall and the second sound box.
Preferably, the projection device further includes a light machine and a circuit board, the light machine is disposed in the first heat dissipation space, and the circuit board is disposed in the second heat dissipation space.
According to the technical scheme, air outside the shell enters the accommodating cavity from the air inlet, the air flows through the first heat dissipation space and the second heat dissipation space, heat of the first heat dissipation space and the second heat dissipation space is taken away by the air, and the air flows out from the air outlet, so that the purpose of heat dissipation is achieved; the total open area of the second hole group on the shell is larger than that of the first hole group, so that the larger the air inlet quantity of the second hole group is than that of the first hole group, the second hole group is close to the second heat dissipation space, and external air enters the ventilation channel through the second hole group and flows to the second heat dissipation space, so that the heat dissipation capacity of the second heat dissipation space is increased; the total open area of the second hole group is larger than that of the first hole group, so that the difference of air inlet quantity between the first heat dissipation space and the second heat dissipation space is reduced, and the purpose of improving the overall heat dissipation uniformity of the projection equipment is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of a projection apparatus according to the present utility model.
Fig. 2 is a schematic structural diagram of an air inlet of an embodiment of the projection apparatus of the present utility model.
Fig. 3 is a schematic structural diagram of an air inlet of another embodiment of the projection apparatus of the present utility model.
Fig. 4 is a schematic structural view of an air inlet of a projection apparatus according to another embodiment of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 1 | Shell body | 41 | |
| 11 | First heat dissipation space | 42 | |
| 12 | Second heat dissipation space | 421 | A first extension channel |
| 2 | Air outlet | 422 | A second extension channel |
| 3 | Air inlet | 423 | A third extension channel |
| 31 | Through hole | 5 | Mounting area |
| 32 | First hole group | 6 | Baffle structure |
| 33 | Second hole group | 61 | First baffle plate |
| 4 | Ventilation channel | 62 | Second baffle plate |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a projection device.
Referring to fig. 1 to 4, in an embodiment of the present utility model, the projection apparatus includes a housing 1, where the housing 1 includes a first sidewall 13 and a second sidewall that are disposed opposite to each other along a first direction, and a third sidewall 14 and a fourth sidewall 15 that are disposed opposite to each other along a second direction, where the first sidewall 13, the second sidewall, the third sidewall 14, and the fourth sidewall 15 enclose a housing cavity, and the housing cavity includes a first heat dissipation space 11 and a second heat dissipation space 12 that are disposed in a row along the third direction, and an air outlet is disposed on the first sidewall 13, and at least a portion of the air outlet is opposite to the first heat dissipation space 11; the third side wall 14 and the fourth side wall 15 are provided with an air inlet 16, the air inlet 16 comprises a first hole group 162 and a second hole group 163, the first hole group 162 and the second hole group 163 are arranged along the first direction, the first hole group 162 is located at one side of the second hole group 163 close to the first heat dissipation space 11, the total open area of the second hole group 163 is larger than that of the first hole group 162, and at least part of the second hole group 163 is opposite to the second heat dissipation space 12.
In the structure, the air outside the shell 1 enters the accommodating cavity from the air inlet 16, flows through the first heat dissipation space 11 and the second heat dissipation space 12, takes away the heat of the first heat dissipation space 11 and the second heat dissipation space 12, and flows out from the air outlet, so that the purpose of heat dissipation is realized; by making the total open area of the second hole group 163 on the housing 1 larger than the total open area of the first hole group 162, so that the larger the air intake of the second hole group 163 is than the air intake of the first hole group 162, and the second hole group 163 is close to the second heat dissipation space 12, the outside air enters the ventilation channel through the second hole group 163 and flows to the second heat dissipation space 12, and the heat dissipation capacity of the second heat dissipation space 12 is increased; by making the total open area of the second hole set 163 larger than the total open area of the first hole set 162, the difference of the air intake between the first heat dissipation space 11 and the second heat dissipation space 12 is reduced, so as to achieve the purpose of improving the overall heat dissipation uniformity of the projection device.
The first direction is the height direction of the housing (i.e., the direction perpendicular to the xy plane in the drawing), the second direction is the front-back direction of the housing (i.e., the x direction in the drawing), and the third direction is the left-right direction of the housing (i.e., the y direction in the drawing).
Preferably, the through holes 161 of the first hole group 162 and the through holes 161 of the second hole group 163 have the same hole area, and the number of through holes 161 of the first hole group 162 is smaller than the number of through holes 161 of the second hole group 163. In the above-described structure, when the hole areas of the through holes 161 are the same in size, the greater the number of through holes 161, the greater the intake air quantity.
Preferably, the air inlet 16 includes a plurality of rows of through holes 161, and the plurality of rows of through holes 161 are divided into the first hole group 162 and the second hole group 163; the plurality of rows of through holes 161 are sequentially arranged on the housing 1 along the third direction; the number of through holes 161 of each row increases or decreases in sequence along the third direction; the hole areas of the rows of through holes 161 are increased or decreased in the third direction.
In the above structure, the air outlet is arranged on the first side wall 13 in the first heat dissipation space 11, which has the functions of increasing the air pressure difference of the first heat dissipation space 11 and improving the air flow rate, so that the heat dissipation capacity of the first heat dissipation space 11 is ensured; the number of through holes 161 on the housing 1 is gradually increased along the third direction (from the first heat dissipation space 11 to the second heat dissipation space 12) so as to reduce the difference of the air intake between the first heat dissipation space 11 and the second heat dissipation space 12, thereby achieving the purpose of improving the overall heat dissipation uniformity of the projection device.
Preferably, the through holes 161 of adjacent rows are offset from each other. In the above-described structure, the through holes 161 of adjacent rows are arranged so as to be offset from each other, and the aperture ratio of the through holes 161 can be effectively increased while ensuring the strength of the casing 1.
Preferably, a mounting area 17 is provided between the first heat dissipation space 11 and the second heat dissipation space 12; a heat dissipation fan 19 is disposed in the first heat dissipation space 11. In the above structure, the mounting region 17 is used for mounting electronic components. Specifically, the first heat dissipation space 11 provided with the heat dissipation fan 19 is generally used for mounting electronic components having a large heat generation amount, such as a bare engine; while the second heat dissipation space 12 is generally used for mounting electronic components with smaller heat generation, such as a motherboard; the mounting area 17 is used for mounting other electronic components with a common heating value, such as a sound box and the like; when an electronic component such as a sound box is mounted on the mounting area 17, the electronic component can block the air flow, so that the second heat dissipation space 12 is difficult to dissipate heat; the third side wall 14 and the fourth side wall 15 are provided with air inlets 16 to increase the heat dissipation capacity of the second heat dissipation area.
Preferably, a baffle structure 18 is further included, the baffle structure 18 being provided in a gap between the mounting area 17 and the housing 1, the baffle structure 18 being located in the second direction.
In the above structure, when air enters the ventilation channel through the air inlet 16, the baffle structure 18 is added to increase the air amount entering the second ventilation channel; after the air enters the shell 1, the air is prevented from directly flowing out to the air outlet from the gap between the mounting area 17 and the shell 1, and the air inlet quantity of the second heat dissipation space 12 is prevented from being influenced.
Preferably, the baffle structure 18 includes a first baffle 181 and a second baffle 182, the first baffle 181 is disposed in a gap between the mounting area 17 and the air inlet 16, and the first baffle 181 is disposed between the first hole group 162 and the second hole group 163; the second baffle 182 is disposed in the gap of the side of the mounting region 17 remote from the air inlet 16.
In the above structure, the first baffle 181 is disposed between the first hole group 162 and the second hole group 163 on the third sidewall 14, and the second baffle 182 is disposed between the first hole group 162 and the second hole group 163 on the fourth sidewall 15, so that more air flows to the second heat dissipation space 12, and further more heat in the second heat dissipation space 1212 is taken away.
Preferably, the first baffle 181 and the second baffle 182 are both disposed to extend in the second direction. In the above-described structure, the first barrier 181 and the second barrier 182 each extend in the second direction, and the first barrier 181 and the second barrier 182 are located between the first heat dissipation space 11 and the second heat dissipation space 12.
Preferably, the projection device further comprises a first sound box and a second sound box which are arranged in the installation area 17, the first sound box and the second sound box are arranged along a second direction, two ends of the first baffle 181 respectively abut against one side, away from the second sound box, of the third side wall 14 and the first sound box, and two ends of the second baffle 182 respectively abut against one side, away from the first sound box, of the fourth side wall 15 and the second sound box.
In the above structure, the first and second speakers are disposed in the mounting region 17, and the first baffle 181, the first speaker, the second speaker, and the second baffle 182 are sequentially arranged in the second direction.
Preferably, the projection device further includes a light machine and a circuit board, the light machine is disposed in the first heat dissipation space 11, and the circuit board is disposed in the second heat dissipation space 12. The amount of heat generated by the ray apparatus is larger, the first heat dissipation space 11 provided with the heat dissipation fan 19 is more favorable for heat dissipation, the amount of heat generated by the main board is smaller, and the second heat dissipation space 12 is arranged, so that heat dissipation is more uniform everywhere in the accommodating cavity of the projection equipment.
According to the technical scheme, air outside the shell 1 enters the accommodating cavity from the air inlet 16, the air flows through the first heat dissipation space 11 and the second heat dissipation space 12, heat of the first heat dissipation space 11 and the second heat dissipation space 12 is taken away by the air, and the air flows out from the air outlet, so that the purpose of heat dissipation is achieved; by making the total open area of the second hole group 163 on the housing 1 larger than the total open area of the first hole group 162, so that the larger the air intake of the second hole group 163 is than the air intake of the first hole group 162, and the second hole group 163 is close to the second heat dissipation space 12, the outside air enters the ventilation channel through the second hole group 163 and flows to the second heat dissipation space 12, and the heat dissipation capacity of the second heat dissipation space 12 is increased; by making the total open area of the second hole set 163 larger than the total open area of the first hole set 162, the difference of the air intake between the first heat dissipation space 11 and the second heat dissipation space 12 is reduced, so as to achieve the purpose of improving the overall heat dissipation uniformity of the projection device.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description and drawings of the present utility model or the direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A projection device, comprising:
the shell comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall and the second side wall are oppositely arranged along a first direction, the third side wall and the fourth side wall are oppositely arranged along a second direction, a containing cavity is formed by surrounding the first side wall, the second side wall, the third side wall and the fourth side wall, the containing cavity comprises a first heat dissipation space and a second heat dissipation space which are arranged along the third direction, an air outlet is formed in the first side wall, and at least part of the air outlet is opposite to the first heat dissipation space; the air inlet comprises a first hole group and a second hole group, the first hole group and the second hole group are arranged along the first direction, the first hole group is positioned on one side, close to the first heat dissipation space, of the second hole group, the total open area of the second hole group is larger than that of the first hole group, and at least part of the second hole group is opposite to the second heat dissipation space.
2. The projection device of claim 1, wherein the through holes of the first set of holes and the through holes of the second set of holes have the same hole area, and the number of through holes of the first set of holes is less than the number of through holes of the second set of holes.
3. The projection device of claim 2, wherein the air intake includes a plurality of rows of through holes, the plurality of rows of through holes divided into the first group of holes and the second group of holes; the through holes are sequentially arranged on the shell along the third direction; the number of the through holes of each row is sequentially increased or decreased along a third direction; the hole areas of the rows of through holes are increased or decreased along a third direction.
4. A projection device as claimed in claim 3, characterized in that the through holes of adjacent rows are offset from each other.
5. The projection apparatus according to any one of claims 1 to 4, wherein a mounting area is provided between the first heat dissipation space and the second heat dissipation space; and a cooling fan is arranged in the first cooling space.
6. The projection device of claim 5, further comprising a baffle structure disposed in a gap between the mounting region and the housing, the baffle structure being positioned in the second direction.
7. The projection device of claim 6, wherein the baffle arrangement includes a first baffle and a second baffle, the first baffle disposed in a gap between the mounting area and the air intake, the first baffle disposed between the first aperture set and the second aperture set; the second baffle is arranged in a gap at one side of the installation area, which is far away from the air inlet.
8. The projection device of claim 7, wherein the first baffle and the second baffle are each disposed to extend in a second direction.
9. The projection device of claim 8, further comprising a first speaker and a second speaker disposed in the mounting area, the first speaker and the second speaker being disposed in a second direction, two ends of the first baffle respectively abutting against one side of the third side wall and the first speaker away from the second speaker, and two ends of the second baffle respectively abutting against one side of the fourth side wall and the second speaker away from the first speaker.
10. The projection device of any of claims 1-4, further comprising a light engine disposed within the first heat dissipation space and a circuit board disposed within the second heat dissipation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223599172.4U CN219328975U (en) | 2022-12-30 | 2022-12-30 | Projection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223599172.4U CN219328975U (en) | 2022-12-30 | 2022-12-30 | Projection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219328975U true CN219328975U (en) | 2023-07-11 |
Family
ID=87067475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223599172.4U Active CN219328975U (en) | 2022-12-30 | 2022-12-30 | Projection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219328975U (en) |
-
2022
- 2022-12-30 CN CN202223599172.4U patent/CN219328975U/en active Active
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